text: import Vue from "vue";
  import Vuex from "vuex";
  import App from "./App.vue";
  import ElementUI from "element-ui";
  import "element-ui/lib/theme-chalk/index.css";
  
  Vue.config.productionTip = false;
  
  Vue.use(ElementUI);
  Vue.use(Vuex);
  
  const store = new Vuex.Store({
    state: {
      tabName: "",
    },
    mutations: {
      changeTab(state, tabName) {
        state.tabName = tabName;
      },
    },
  });
  
  new Vue({
    render: (h) => h(App),
    store: store,
  }).$mount("#app");
  